#include <iostream>
#include <string>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <cstring>
#include "InetAddr.hpp"
#include "Log.hpp"
#include "Common.hpp"

using namespace LogModule;

int main(int argc, char* argv[])
{


    // 。/client_tcp server_ip server_port
    if (argc != 3)
    {
        std::cout << "Usage:./client_tcp server_ip server_port" << std::endl;
        return 1;

    }
    std::string server_ip = argv[1];
    int server_port = std::stoi(argv[2]);

    int sockfd = ::socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0)
    {
        LOG(LogLevel::FATAL) << "socket create fail!" ;
        Die(SOCKET_ERR);
    }

    struct sockaddr_in server_addr;
    memset(&server_addr, 0, sizeof(server_addr));
    server_addr.sin_family = AF_INET;
    server_addr.sin_port = ::htons(server_port);
    server_addr.sin_addr.s_addr = inet_addr(server_ip.c_str());
    // zdl:: client 不需要显示的绑定 tcp是面向连接的, connect 就会自动的进行bind
    int n = ::connect(sockfd, CONV(&server_addr), sizeof(server_addr));
    if (n < 0)
    {
        LOG(LogLevel::FATAL) << "connect error";
        Die(CONNECT_ERR);
    }
    // echo srever
    std::string message;
    while (true)
    {
        char inbuffer[1024];
        std::cout << "input message: ";
        std::cin >> std::ws;
        std::getline(std::cin, message);
        n = ::write(sockfd, message.c_str(), 
            message.size());
        if (n > 0)
        {
            int m = ::read(sockfd, inbuffer, sizeof(inbuffer));
            if ((m > 0))
            {
                inbuffer[m] = 0;
                std::cout << inbuffer << std::endl;
            }
            else 
            {
                break;
            }
        }
    }
    ::close(sockfd);

    return 0;
}